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| author | Aaron Carroll <aaronc@gelato.unsw.edu.au> | 2008-08-14 18:17:13 +1000 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-10-09 08:56:02 +0200 |
| commit | 63de428b139d3d31d86ebe25ae97b33f6540fb7e (patch) | |
| tree | def85c8e9990293effe71baf3b0dce648eab516c /Documentation/sysrq.txt | |
| parent | 766ca4428d1239a970926856c447310c9c191af2 (diff) | |
| download | linux-63de428b139d3d31d86ebe25ae97b33f6540fb7e.tar.gz linux-63de428b139d3d31d86ebe25ae97b33f6540fb7e.tar.bz2 linux-63de428b139d3d31d86ebe25ae97b33f6540fb7e.zip | |
deadline-iosched: allow non-sequential batching
Deadline currently only batches sector-contiguous requests, so except
for a few circumstances (e.g. requests in a single direction), it is
essentially first come first served. This is bad for throughput, so
change it to CSCAN, which means requests in a batch do not need to be
sequential and are issued in increasing sector order.
Signed-off-by: Aaron Carroll <aaronc@gelato.unsw.edu.au>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'Documentation/sysrq.txt')
0 files changed, 0 insertions, 0 deletions